Home / 21,961.62-32,945.64-6,377.22

Finding the Fourth Proportional to 21,961.62, 32,945.64 and 6,377.22

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Solution

The fourth proportional to 21,961.62, 32,945.64 and 6,377.22 is: 9,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.62 : 32,945.64 = 6,377.22 : x
  2. Step 2: Convert to fraction form
    21,961.62/32,945.64 = 6,377.22/x
  3. Step 3: Cross multiply
    21,961.62x = 32,945.64 × 6,377.22
  4. Step 4: Simplify right side
    21,961.62x = 210,101,594.32
  5. Step 5: Solve for x
    x = 210,101,594.32/21,961.62
  6. Step 6: Final answer
    x = 9,566.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.